body {
    font-family: Arial, sans-serif;
    background-color: #f0f0f0;
    padding: 20px;
    text-align: center;
}

h1 {
    color: #333;
}

form {
    margin-top: 20px;
    background-color: #fff;
    border: 1px solid #ccc;
    padding: 20px;
    border-radius: 5px;
    box-shadow: 0 0 10px rgba(0,0,0,0.1);
    width: 400px;
    margin: 0 auto;
}

input[type="file"] {
    display: block;
    margin: 0 auto;
    margin-bottom: 10px;
    padding: 10px;
    width: 80%;
    border: 1px solid #ccc;
    border-radius: 3px;
    font-size: 14px;
}

button[type="submit"] {
    background-color: #4CAF50;
    color: white;
    padding: 10px 20px;
    border: none;
    border-radius: 3px;
    cursor: pointer;
    font-size: 16px;
}

button[type="submit"]:hover {
    background-color: #45a049;
}

.message {
    color: #333;
    font-style: italic;
    margin-top: 10px;
}
